Cars Arrive Randomly and Independently at a Drive Through Service

question 7

Multiple Choice

Cars arrive randomly and independently at a drive through service centre at a rate of 10 per hour. What is the probability that 2 or 3 cars will arrive in a 15 minute period?

• A) 0.4703
• B) 0.0131
• C) 0.0099
• D) 0.2873
• E) 0.0053